Answer:
B
Explanation:
Because element is made up of only one type of atoms and figure b show only one type of atoms.
Answer:
Deposition
Explanation:
It’s breaking down the rock :]
Answer:
Boiling is 212* Freezing is 32*
Explanation:
It simple facts
The 6 is significant, so is the 0 and the 3 and the 0 and the 4.
The last 0 is not significant.
= 5 in all.
= 5 significant figures. C.
Single and double replacement chemical reactions are similar by the fact that in both the types of reactions replacement of ions takes place in case of single displacement it is 1 ion while for double displacement it is 2 ions.
<h3>What are chemical reactions?</h3>
Chemical reactions are defined as reactions which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.
There are several characteristics of chemical reactions like change in color, change in state , change in odor and change in composition . During chemical reaction, there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are three types of chemical reactions:
1) inorganic reactions
2)organic reactions
3) biochemical reactions
During chemical reactions atoms are rearranged and changes are accompanied by an energy change as new substances are formed.
Learn more about chemical reactions,here:
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